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/* -*- C++ -*- */
// $Id$
//
// ============================================================================
//
// = LIBRARY
// ace_orb
//
// = FILENAME
// CORBA_Utilities.h
//
// = AUTHORS
// Tim Harrison.
//
// = NOTE
// This class is a bit ackward when using a real ORB, but we cannot
// easily remove it since some of the types are used in the
// implementation of the EC. TODO
//
// ============================================================================
#if !defined (ACE_CORBA_UTILS_H)
#define ACE_CORBA_UTILS_H
#include "ace/Time_Value.h"
#include "tao/corba.h"
template <class TYPE>
class ACE_CORBA_Sequence// : public CORBA::Object
// = TITLE
//
// = DESCRIPTION
{
public:
ACE_CORBA_Sequence (const ACE_CORBA_Sequence<TYPE> &source);
// Copy construction.
ACE_CORBA_Sequence (CORBA::ULong max);
ACE_CORBA_Sequence (CORBA::ULong max,
CORBA::ULong length,
TYPE* data,
CORBA::Boolean release = 0);
ACE_CORBA_Sequence (void);
virtual ~ACE_CORBA_Sequence (void);
ACE_CORBA_Sequence<TYPE> &operator= (const ACE_CORBA_Sequence<TYPE> &);
// static TYPE* allocbuf(CORBA::ULong nelems);
// static void freebuf(TYPE* data);
CORBA::ULong maximum (void) const;
CORBA::ULong length (void) const;
void length (CORBA::ULong len);
TYPE& operator [] (CORBA::ULong IT_i);
const TYPE& operator [] (CORBA::ULong IT_i) const;
virtual TYPE *new_array (size_t len);
// Allocates TYPE[len]. This facilitates template methods through
// template specialization to allow the use of different memory
// pools.
virtual void delete_array (TYPE *buf, size_t len);
// delete [] <buf>.
protected:
CORBA::ULong maximum_;
CORBA::ULong length_;
TYPE* buffer_;
unsigned char release_;
};
// Utility for debugging sequences.
//template <class TYPE>
//void dump (const ACE_CORBA_Sequence<TYPE> &seq);
// Utility for appending single items. Increases the length of <set>
// and adds <event> to the end of <set>.
template <class TYPE> void
operator += (ACE_CORBA_Sequence<TYPE> &seq,
const TYPE &item)
{
CORBA::ULong length = seq.length ();
seq.length (length + 1);
seq[length] = item;
}
// Utility for appending sequences.
template <class TYPE> void
operator += (ACE_CORBA_Sequence<TYPE> &dest,
const ACE_CORBA_Sequence<TYPE> &source);
template <class TYPE> void
remove_item (TYPE &seq, CORBA::ULong index)
{
int new_length = seq.length () - 1;
// Shift the set back one, starting at <index>.
for (int x = index; x < new_length; x++)
seq[x] = seq[x+1];
// Set the new length.
seq.length (new_length);
}
// Removes seq[index] by moving everything after <index> back and
// decrementing the length.
// ************************************************************
template <class TYPE>
class ACE_CORBA_var
// = TITLE
//
// = DESCRIPTION
{
public:
ACE_CORBA_var (const ACE_CORBA_var<TYPE> &source);
ACE_CORBA_var (void);
ACE_CORBA_var (TYPE *source);
~ACE_CORBA_var (void);
ACE_CORBA_var<TYPE> &operator= (TYPE *source);
ACE_CORBA_var<TYPE> &operator= (const ACE_CORBA_var<TYPE> &source);
TYPE *operator->(void);
operator TYPE *(void) const;
// operator TYPE *&(void);
operator TYPE &(void) const;
private:
TYPE *me_;
};
// ************************************************************
/*
template <class IMPL>
class ACE_CORBA_Object_Ref : public CORBA::Object
// = TITLE
// ACE CORBA Object Reference
//
// = DESCRIPTION
// A wrapper for making CORBA Object References. For a single
// address space ORB, this points directly to the IMPL
// class. This is supposed to look like a pointer to
// IMPL with an additional static _duplicate method.
{
public:
// ACE_CORBA_Object_Ref (ACE_CORBA_Object_Ref<IMPL> &obj);
ACE_CORBA_Object_Ref (void);
ACE_CORBA_Object_Ref (IMPL *impl);
~ACE_CORBA_Object_Ref (void);
// ACE_CORBA_Object_Ref<IMPL> &operator= (IMPL *source);
ACE_CORBA_Object_Ref<IMPL> &operator=
(const ACE_CORBA_Object_Ref<IMPL> &source);
IMPL *operator->(void);
// A distributed ORB would require that the CORBA Object Reference
// implement all IMPL interfaces, marshall the parameters,
// and transmit over IIOP. For this single address space ORB, we'll
// just delegate method calls to the IMPL directly.
operator IMPL *(void) const;
// operator IMPL *&(void);
// operator IMPL &(void) const;
static ACE_CORBA_Object_Ref<IMPL> *_duplicate
(ACE_CORBA_Object_Ref<IMPL> *source);
private:
IMPL *impl_;
};
*/
// ************************************************************
template <class ITEM, size_t SIZE>
class ACE_ES_Simple_Array
// = TITLE
// Simple Array
//
// = DESCRIPTION
// Wraps ITEM[SIZE] with insert and an iterator. There is no
// remove. It allows duplicates. It is truly very simple.
{
public:
ACE_ES_Simple_Array (void);
int insert (const ITEM ©_me);
size_t size (void);
ITEM *data (void);
protected:
ITEM data_[SIZE];
size_t size_;
};
template <class ITEM>
class ACE_ES_Array_Iterator
// = TITLE
// Simple Iterator
//
// = DESCRIPTION
// Iterates through an array of ITEMs.
{
public:
ACE_ES_Array_Iterator (ITEM *data, size_t size);
int next (ITEM *&next_item);
// Returns 0 when all items have been seen, else 1. Sets
// <next_item> to point at the next ITEM.
int advance (void);
// Move forward by one element in the Stack. Returns 0 when all the
// items in the Stack have been seen, else 1.
int done (void) const;
// Returns 1 when all items have been seen, else 0.
private:
ITEM *data_;
size_t size_;
size_t index_;
};
#if defined (__ACE_INLINE__)
#include "CORBA_Utils_T.i"
#endif /* __ACE_INLINE__ */
#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
#include "CORBA_Utils_T.cpp"
#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
#pragma implementation ("CORBA_Utils_T.cpp")
#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
#endif /* ACE_CORBA_UTILS_H */
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